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Computer techniques for solving electro-magnetic scattering problems of dielectric cylinders ofarbitrary cross sections by the unimoment method are investigated. In the solution of the fields insidethe mathematical circle, a computer program for the realization of Ricatti transformation in solvingthe linear algebraic equations is programmed. With the case of a rectangular cylinder as an example,automatic generation of finite element mesh for Ricatti transformation is achieved. It is shown thatboth the memory capacity and the computing time of the computer are greatly saved by using thesetechniques. The previous procedure of the finite element method is also greatly simplified.
Computer techniques for solving electro-magnetic scattering problems of dielectric cylinders ofarbitrary cross sections by the unimoment method are investigated. In the solution of the fields inside the mathematical circle, a computer program for the realization of Ricatti transformation in solving the linear algebraic equations is programmed. With the case of a rectangular cylinder as an example, automatic generation of finite element mesh for Ricatti transformation is achieved. It shows shown that the memory capacity and the computing time of the computer are greatly saved by using these techniques. The previous procedure of the finite element method is also